Guinea is often subdivided into . Lower Guinea  and  Upper Guinea . Lower Guinea is one of the most densely populated regions of Africa, covering southern Nigeria, Benin, Togo and stretching into Ghana.
Definitions for hysteroscopy. hysteroscopy(noun) visual examination of the uterus and uterine lining using an endoscope inserted through the vagina. hysteroscopy(Noun) The examination of the uterus using a hysteroscope.
Thoracostomy is a minimally invasive procedure in which a thin plastic tube is inserted into the pleural. space â the area between the chest wall and lungs â and may be attached to a suction device to remove. excess fluid or air. A chest tube may also be used to deliver medications into the pleural space.